If you bought the game, and the seller didn't make it exceedingly clear that you were renting instead of buying, then yes, you do own a perpetual license. Just

If you bought the game, and the seller didn't make it exceedingly clear that you were renting instead of buying, then yes, you do own a perpetual license. Just because the developers write "actually you didn't buy it even though we said you did, tough shit" in the EULA doesn't make it true.